14.1
09/06/1988
RPI 933
Application data
Number
PI8503952Type
Filing
Publication
The letters patent expired on 07/15/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 09/06/1988. We update with every new RPI gazette, published weekly.
Applicants
S. A. (pessoa física)
DE
Siemens Ltda
SP, BR
Siemens S/A
SP, BR
Inventors
D. P. (pessoa física)
DE
G. A. (pessoa física)
DE
R. D. (pessoa física)
DE
W. B. (pessoa física)
DE
Publications in the Brazilian Industrial Property Gazette (RPI).
09/06/1988
RPI 933
#4.1
03/01/1988
RPI 906
#3.1
06/03/1986
RPI 815
#2.1
10/22/1985
RPI 783
#21.1
Patente extinta em 19/08/2000
07/15/2008
RPI 1958
#25.7
Alterada a sede conforme solicitado na petição INPI/RJ nº 6971 de 04/04/97.
06/29/1999
RPI 1486
#25.4
Alterado de: Siemens S/A.
05/18/1999
RPI 1480
#20.1
10/22/1996
RPI 1351
#20.1
11/17/1992
RPI 1146
#16.1
02/26/1991
RPI 1056
#13.1
11/27/1990
RPI 1043
#9.1
08/14/1990
RPI 1028
01/02/1990
RPI 1000
From the same holder
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.